Mandela Barnes, the party’s Senate candidate, is now wobbling in his race against Ron Johnson, the Republican incumbent. Democratic nominees in other states face similar challenges.
Beyond elections and voting issues, these Trump-aligned candidates could shape the country’s policies on abortion, climate change, same-sex marriage and much more.
Mr. Barnes, Wisconsin’s lieutenant governor, consolidated his party’s support in his bid to take on Ron Johnson, one of the most vulnerable Republicans in the Senate.